-90.88% is the change from 943 to 86
Calculation steps:
[( 86 - 943 ) ÷ 943] x 100 = -90.88%
Formula
Percentage change = [(86 - 943) / 943] x 100
Subtract the new number by the original number
86 - 943 = -857
-857 ÷ 943 = -0.9088016967126193
-0.9088016967126193 x 100 = -90.88%